The Screw,close Tolerance, cataloged under National Stock Number 5305-01-131-7559, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 16 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 11 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-131-7559 |
| Primary Part Number | ST3M714-6-13 |
| Item Name | Screw,close Tolerance |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Fastener Length | 1.188 INCHES MINIMUM AND 1.218 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.366 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | FLAT COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN |
| Grip Diameter | 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Internal Drive Style | HIGH-TORQUE |
| Countersink Angle | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 0.752 INCHES MINIMUM AND 0.762 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ST3M714-6-13 PRIMARY | The Boeing Company Div Defense (USA) |
| HT4049-6-13 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| ST3M714-6-13 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| HT4049-6-13 | Hi-Shear Corporation (USA) |
| ST3M714-6-13 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| HT4049-6-13 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 11931-6-13 | Reid Products Inc. Dba Reid Products Inc (USA) |
| HT4049-6-13 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| ST3M714-6-13 | Houston Precision Fasteners I Lp (USA) |
| ST3M714-6-13 | Sps Technologies Ltd, Tj Brooks Division (GBR) |
| HT4049-6-13 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M714-6-13 | Twist Tite Mfg, Inc Dba Twist Tite Manufacturing Inc (USA) |
| HT4049-6-13 | Huck International, Inc (USA) |
| HT4049-6-13 | Howmet Global Fastening Systems Inc (USA) |
| WC4049-6-13 | West Coast Aerospace, Inc. (USA) |
| ST3M714-6-13 | Heartland Precision Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| HT4049-6-13 | 5/9 Secondary reference U.S. Government activity |
| HT4049-6-15 | 5/9 Secondary reference U.S. Government activity |
| HT4049-6-15 | 5/9 Secondary reference U.S. Government activity |
| HT4049-6-15 | 5/9 Secondary reference U.S. Government activity |
| 10115293 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| HT4049-6-15 | 5/9 Secondary reference Howmet Global Fastening Systems Inc |
| HT4049-6-13 | 5/2 Secondary reference U.S. Government activity |
| ST3M714-6-13 | 5/2 Secondary reference U.S. Government activity |
| HT4049-6-13 | 5/9 Secondary reference U.S. Government activity |
| HT4049-6-15 | 5/9 Secondary reference Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| HT4049-6-15 | 5/9 Secondary reference Hi-Shear Corporation |
NSN 5305-01-131-7559 is a Screw,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-131-7559 has 16 manufacturer part numbers on file: ST3M714-6-13 (The Boeing Company Div Defense), HT4049-6-13 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), ST3M714-6-13 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), HT4049-6-13 (Hi-Shear Corporation), ST3M714-6-13 (Fastener Innovation Technology, Inc. Dba F I T) and 11 more.
Key specifications for ST3M714-6-13: Fastener Length: 1.188 INCHES MINIMUM AND 1.218 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.366 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN; Material Document and Classification: AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 17 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.